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Convergence of opinion diffusion is PSPACE-complete

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Chistikov, Dmitry, Lisowski, Grzegorz, Paterson, Michael S. and Turrini, Paolo (2019) Convergence of opinion diffusion is PSPACE-complete. In: AAAI-34th conference on Artificial Intelligence, New York, New York, 7-12 Feb 2020. Published in: Proceedings of The Thirty-Fourth AAAI Conference on Artificial Intelligence, AAAI 2020 pp. 7103-7110.

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Abstract

We analyse opinion diffusion in social networks, where a finite
set of individuals is connected in a directed graph and each
simultaneously changes their opinion to that of the majority
of their influencers. We study the algorithmic properties of
the fixed-point behaviour of such networks, showing that the
problem of establishing whether individuals converge to stable
opinions is PSPACE-complete

Item Type: Conference Item (Paper)
Subjects: H Social Sciences > HM Sociology
Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Divisions: Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH): Social networks , Social networks -- Digital techniques -- Mathematics, Computer algorithms, Social networks -- Mathematical models, Public opinion -- Mathematical models, Online social networks -- Analysis
Journal or Publication Title: Proceedings of The Thirty-Fourth AAAI Conference on Artificial Intelligence, AAAI 2020
Official Date: 10 November 2019
Dates:
DateEvent
10 November 2019Accepted
Page Range: pp. 7103-7110
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 2 December 2019
Date of first compliant Open Access: 5 December 2019
Conference Paper Type: Paper
Title of Event: AAAI-34th conference on Artificial Intelligence
Type of Event: Conference
Location of Event: New York, New York
Date(s) of Event: 7-12 Feb 2020
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